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High Efficiency Engineering Drilling Rig ZDY 250 For Tunnel Anchor / Tunnel Drilling
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Full Hydraulic Portable Borehole Drilling Machine For Physical Prospecting
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30M Pneumatic Rockbuster Small Rock Drilling Equipment , Soil Drilling Rigs
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Popular Engineering Drilling Rig 30 - 180m Drilling Depth Easy Operation Free Maintenance
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0-80 Rpm Dth Crawler Mounted Drill Rig 280 Meters Depth
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ST00 Large Water Well Borehole Crawler Drill Rig Equipment 200 Meters Depth
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260m Deep Borehole Crawler Drill Rig 105mm Diameter
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Crawler Type 350m Depth Water Rig Drilling Machine
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Full Hydraulic Geological Drilling Rig Machine Crawler Equipped for Mountain Geotechnical Investigation
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Multi Purpose Efficiency Soil Testing Drilling Machine 300 Meters Depth Gy 200
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